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Jersey ~ Petrology


Jersey Post will issue a set of five postage stamps featuring petrology specimens found in Jersey. The oldest rocks in Jersey are the Shales which are over 700 million years old. However, the best known rocks in the island are the pink and grey Granites and Diorites.

They make up a third of the Island and were formed between 560 and 480 million years ago by molten rock cooling and solidifying deep between the Earth’s surface. The specimens featured may all be seen at the MP Shah Gallery at Jersey Heritage’s La Hougue Bie Museum, Grouville, Jersey.

Title: Jersey ~ Petrology
Date of Issue: 9 March 2010
Country: Jersey
Denominations:
37p – Brecciated Pegmatite with Orthoclase Feldspar crystals re-cemented by Chalcedony
42p – Diorite with incipient orbicular structure
45p – Granite
61p – Jasper in Andesite
80p – Pebbles of Granite, Andesite and Shale in Rozel Conglomerate

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